Answer:
A. William Wilberforce
Step-by-step explanation:
Wilberforce was a man of convictions, he dedicated his life based on his religious and personal beliefs.
The influence of Christian thought made him an important shift in the political sphere where he spent most of his lifetime.
As a British philantropist he enaged in a long struggle for ending British participation in the Transatlantic Slave Trade.
Being the spokesman for the Abolition Movement he became a Member of the Parliament where he settled the issue in the House of Commons.
He was sucessful in insisting to create a bill to discourage people involved in slavery.
The way he managed it to change the political spirit of the time was introducing bills to make slave trade in 1789 a law until 1833 as it came knew The Abolition of Slavery Bill.